May 5, 2006It sounds like the plot of a science fiction B
movie: aggressive aliens escape from the lab and start wiping out
native residents.

But this scenario is grim reality for South
American honeybees, whose populations have been dwindling due to
invading bees from Africa. Get the full story on the spread of these
"killer" bees, including the impact their arrival might have on South
America's rain forest.